diff --git a/reactos/base/applications/rapps/include/unattended.h b/reactos/base/applications/rapps/include/unattended.h
index 02ed24583e6..93d19344260 100644
--- a/reactos/base/applications/rapps/include/unattended.h
+++ b/reactos/base/applications/rapps/include/unattended.h
@@ -1,5 +1,4 @@
 #pragma once
-#include "windef.h"
 
 #define CMD_KEY_INSTALL L"/INSTALL"
 #define CMD_KEY_SETUP L"/SETUP"